DataBaseball
2026

Head to head · 2025 pitching

Ryan Bergert vs Jack Leiter

In 2025 Jack Leiter has been worth 0.8 more wins. Both lines are computed from play-by-play on the same constants, so they are measured the same way rather than quoted from two sources.

2025 pitching. The stronger figure in each row is highlighted — for ERA, FIP, WHIP and walks that is the lower one.
StatisticRyan BergertJack Leiter
G1929
GS1529
IP76.1151.2
W210
SO73148
ERA3.663.86
FIP4.004.15
WHIP1.261.28
K/98.68.8
BB/94.14.0
FIP−96100
WAR0.91.7

Career

Totalled over the seasons published here, which is not the same as a whole career: a player who debuted before 2015 begins at 2015, not at his real first game.

Career pitching totals. ERA, WHIP and the per-nine rates are recomputed from the components rather than averaged; FIP needs each season’s own constant and is left to the table above.
StatisticRyan BergertJack Leiter
G1953
GS1550
IP76.1267.1
W213
L220
SV00
SO73262
BB35119
ERA3.664.95
WHIP1.261.38
K/98.68.8
BB/94.14.0
HR/90.91.3
WAR0.91.7

More head to heads

The same seasons, measured against somebody else.

How these are computed

FIP uses the constant solved from this season’s own runs, and FIP− is park-adjusted against the same league. dbWAR is our own open implementation — not fWAR or bWAR — and the full derivation, including its simplifications, is on the methodology page. To put these two beside a third, the comparison page takes up to four.